the perimeter of a rectangle is 40 cm. if its length is 3 times its width, then its diagonal is equal to
Answers
Answered by
2
Let the breadth be X
Length =3X
Perimeter of rectangle =2(L+B)
40=2(3X+X)
40=8X
X=5
Length =3*5=15
Breadth=5
Diagonal^2=L^2+B^2
15^2+5^2=225+25=250
Diagonal=root250
Length =3X
Perimeter of rectangle =2(L+B)
40=2(3X+X)
40=8X
X=5
Length =3*5=15
Breadth=5
Diagonal^2=L^2+B^2
15^2+5^2=225+25=250
Diagonal=root250
Answered by
0
Answer:
5√10
Explanation:
Similar questions